Porsche Cayman 718 Sprint GT4 Clubsport
Specification:
Engine:
Aluminum six-cylinder mid-mounted boxer engine, rigid mounting
3,800cc; stroke 77.5mm; bore 102mm
Max. power: 313kW (425hp) at 7,500rpm
Max. rpm: 7,800rpm
Max. torque: 425Nm at 6,600rpm
Compression ratio: 12.5 : 1
Water cooling circuit with thermal management for engine and gearbox
Adjustable camshaft phasing and variable valve timing VarioCam Plus
Fuel quality: minimum 98 octane, unleaded
Electronic engine management (Continental SDI 9)
Integrated dry-sump lubrication
100-cell metal catalytic converter complying with DMSB specifications
Transmission:
Rear wheel drive
Rigidly mounted performance-based 6-speed PDK-gearbox (DCT, dual clutch transmission)
Dual mass flywheel
Internal pressure-oil lubrication with active oil cooling
Mechanical differential lock optimized for motorsports
Brake System:
Front axle Aluminum, mono-bloc six-piston racing calipers with ‘Anti knock off’ piston springs
Multi-piece steel 380mm brake discs, internally vented and slotted
Motorsport brake pads
Brake balance system with balance beam system (‘Competition’)
Brake booster (‘Trackday’)
Rear axle Aluminum, mono-bloc four-piston racing calipers with ‘Anti knock off’ piston springs
Multi-piece steel 380mm brake discs, internally vented and slotted
Motorsport brake pads
Brake balance system with balance beam system (‘Competition’)
Brake booster (‘Trackday’)
Bodywork:
Lightweight bodywork with intelligent aluminum-steel composite construction
Fully integrated roll-cage complying with FIA Homologation Regulations for safety cages
Front bonnet with quick release fasteners
Rear deck with quick release fasteners
Recaro race seat with longitudinal adjustment and padding system for adaption to individual driver (complying FIA Standard 8862/2009 – newest FIA requirements)
Built-in air jack system (three jacks) (‘Competition’)
Pre-installed mounting points for built-in air jack system (three jacks) (‘Trackday’)
Safety net mountings
FIA certified towing loops at the front and rear
Roof hatch complying FIA Art. 275a
Natural fiber attachment parts Fixed rear wing with ‘swan neck’ mounts including side blades and integrated carbon fibre gurney flap
Driver and passenger door
Modified Cayman GT4-Cockpit Motorsport center console with expanded functionality and optimized usability
Crash, protected, lightweight battery and optimized ECU position
Six-point safety harness
115 liter FT3 safety fuel cell with ‘Fuel Cut Off’ safety valve according to FIA regulations (‘Competition’)
80 liter FT3 safety fuel cell with ‘Fuel Cut Off’ safety valve according to FIA regulations (‘Trackday’)
Suspension:
Front axle MacPherson suspension strut, adjustable for ride height, camber and toe
Optimized stiffness
Double shear mounting
High-performance spherical bearings
5 bolt wheel hubs
Motorsport three-way shock absorbers, independently adjustable in rebound and compression characteristics (‘Competition’)
Racing shock absorbers, non-adjustable (‘Trackday’)
Electrohydraulic power steering with variable steering ratio and steering impulse
3-hole anti-roll bar
Rear axle MacPherson suspension strut, adjustable for ride height, camber and toe
Optimized stiffness
Double shear mounting
High-performance spherical bearings
5 bolt wheel hubs
Motorsport three-way shock absorbers, adjustable rebound and compression characteristics (‘Competition’)
Racing shock absorbers, non-adjustable (‘Trackday’)
Adjustable sword-type anti-roll bar
Electrics:
COSWORTH color display ICD with integrated data logger
Extended fault diagnose via PIWIS-Motorsport tester
Porsche Track Precision race app with gateway
Integrated lap trigger via GPS signal
Electronic throttle
Lightweight (LiFePo-) battery, 60Ah, leakproof positioned in passenger footwell (‘Competition’)
Battery 12V, 70Ah (AGM), leakproof positioned in passenger footwell (‘Trackday’)
Emergency switch in cockpit and exterior emergency switch at lower left of windscreen frame
Lightning system Bi-Xenon headlamps
LED-rear lighting system
FIA rain light system
Electronic dynamic stability system PSM (Porsche Stability Management) with ABS, traction control and electronic stability control to switch-off separately
Tyre pressure monitoring system (TPMS)
Fire extinguishing system (extinguishing agent; gas) complying latest FIA requirements (‘Competition’)
Handheld fire extinguisher (‘Trackday’)
Air conditioning
Electronic outside-mirror adjustment
Motorsport multifunctional carbon fibre steering wheel with Pit-speed and quick decoupling (‘Competition’)
Motorsport multifunctional steering wheel with Pit-speed (‘Trackday’)
Motorsport center console with map switch for adjustment of ABS, ESC, TC and change between preadjusted tyre circumferences
Rims/Tyres:
Front axle One piece forged lightweight alloy rims, 9 J × 18, offset 28mm, 5 bolt mounting
Delivery with treaded Michelin transportation tyres, dimensions: 25/64-18
Michelin slick/rain tyres, dimensions: 25/64-18
Rear axle One piece forged lightweight alloy rims, 10,5 J × 18,5, offset 53mm, 5 bolt mounting
Delivery with treaded Michelin transportation tyres, dimensions: 27/68-18
Michelin slick/rain tyres, dimensions: 27/68-18
Weight/Dimensions
Total weight 1,320 kg
Total length 4,456 mm
Total width 1,778 mm
Total height 1,238 mm
Wheelbase 2,476 mm
History:
The Porsche Cayman 718 Sprint is the newest addition to the motorsport fleet and the newest championship to be back by Porsche Motorsport GB. The car only arrived in October 2020 and is ready for hire during the 2021 season.
The car is available for a wide range events from corporate days and track days to full race events.